Lifting-bar of molding-boxes.



-J. KENYUN.

Vmmm@ BAR oF-MoLmNG sexis. APPLICATION FILED 'FEEL H, i919.

r199999999 Apr. 29,1919.,

JAMES KENYON, OIE' BOLTON, ENGLAND.

LIFTING-BAR 0F MOLDING-BOXES.

Specification of Letters Patent.

Patented Apr.. 29, 11919.

To all whom 'it 'may concern.'

Be it known that I, JAMES KENYON, iron molder, of Bolton, in the county of Lancaster, England, have invented certain new and useful Improvements Relating to the Lifting-Bars of Molding-Boxes, of which the following is a speciication.

This invention relates to molding boxes and to the provision of lifting bars therefor.

The obj ect of the invention is to provide a removable lifting bar which may be applied at different predetermined places on a molding box intended to receive the same.

A further object of the invention is to adapt such removable lifting bar for use with molding boxes of the known type from which one or more of the usual integral lifting bars have been broken.

Reference being made to the annexed drawing,

Figure 1 is a plan of a molding box made according to the present invention, showing two of the improved lifting bars applied thereto.

Fig. 2 isa similar plan of a molding box of the known construction from which two 'of the lifting bars have been broken away and replaced by the improved lifting bar of the present invention.

Fig. 3 is a cross section on the line 3-3 of Fig. 2.

Fig. 4 is a cross section on line 44 of Fig. 1 or Fig. 2.

Fig. 5 is a perspective view on a larger scale showing part of the molding box, and of the improved lifting bar and the means for securing the latter in place.

According to the present invention the lifting bar A is adapted to engage at its ends with projections B on the interior face of the sides B1 of the molding box. For this purpose the ends of the lifting bar A may conveniently be provided with V-shaped notches A1 to engage correspondingly shaped projecting ribs B on the sides of the molding box.

This construction readily permits of the improved lifting bar A being used in replacement of a broken fixed lifting bar such as C in a molding box of the usual known construction, since the broken bar may be filed or cut away so as to leave only two projecting V shaped ribs at the ends where it previously joined to the sides of the molding box.

The improved lifting bar is formed also with two bosses D D located respectively at a short distance from its ends. Into each such boss is securely molded one leg E1 of a wrought iron cramp E which is adapted to extend over and beyond the edge of the molding box and is provided with a dependent leg E2 preferably broadened in the form of a plate E3 parallel to and at a small distance from the outside face of the sides of the molding box. A wedging member such as F driven between the plate E3 and the outside face of the molding box serves to secure the end of the lifting bar firmly but removably in place.

What l claim as my invention and desire to secure by Letters Patent of the United States is 1. The combination with a molding box having projections on the inner face of its side walls, of a lifting bar adapted to engage said projections, cramps extending from said lifting bar bridging the sides of the molding box and means for wedging said cramps.

2. The combination with a molding box of a lifting bar having bearing against the inner face of the sides of the molding box, cramps bridging said sides and means for securing said cramps on the sides.

3. A molding box lifting bar comprising two cramps extending beyond the ends thereof and having returned portions spaced from said ends.

4. A molding box lifting bar comprising bosses, cramps having legs engaging said bosses and ot er legs spaced from the ends of the lifting bar.

5. A molding box lifting bar comprising bosses, and cramps having legs engaging said bosses, said cramps extending beyond the ends of the lifting bar and other legs depending parallel to the ends of the lifting bar but spaced therefrom.

6. A molding box lifting bar having notches in its ends, bosses inward of said ends cramps engaging said bosses and returned beyond the said ends.

In witness whereof l have signed this specification in the presence of two witnesses.

JAMES KENYON.

Witnesses:

COLIN COOPER, JOHN WoRsLEY.

Copies of this patent may be obtained for live cents each, by addressing the Commissioner of Entente, Washington, E. C. 

